CN209332172U - Pneumatic blood drawing device - Google Patents
Pneumatic blood drawing device Download PDFInfo
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- CN209332172U CN209332172U CN201820357756.5U CN201820357756U CN209332172U CN 209332172 U CN209332172 U CN 209332172U CN 201820357756 U CN201820357756 U CN 201820357756U CN 209332172 U CN209332172 U CN 209332172U
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- 239000008280 blood Substances 0.000 title abstract description 31
- 210000004369 blood Anatomy 0.000 title abstract description 31
- 238000010241 blood sampling Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 5
- 210000003414 extremity Anatomy 0.000 abstract description 15
- 210000000707 wrist Anatomy 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 2
- 208000028867 ischemia Diseases 0.000 abstract 1
- 230000035487 diastolic blood pressure Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 6
- 230000000302 ischemic effect Effects 0.000 description 5
- 206010061225 Limb injury Diseases 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 206010020565 Hyperaemia Diseases 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000009724 venous congestion Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/135—Tourniquets inflatable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/132—Tourniquets
- A61B17/135—Tourniquets inflatable
- A61B17/1355—Automated control means therefor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Reproductive Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The utility model relates to a pneumatic blood drawing device, which comprises a cuff, a main control unit, an inflation unit connected with the main control unit, an air leakage unit and a timing unit; the air outlet part of the inflation unit is connected with the cuff through an air pipe; the air leakage unit is connected with the air outlet part of the inflation unit; the inflation unit is used for inflating the cuff through the air pipe according to the default pressure value in the cuff; the timing unit is used for timing preset blood sampling time, and when the preset blood sampling time is up, the main control unit controls the inflation unit to stop running and the air leakage unit to be opened to release air in the cuff. The device of the utility model can reduce labor intensity, save time and labor, and also thoroughly solve the problem that the blood drawing belt is left over on the patient to cause the blood drawing belt to press the wrist or the arm for a long time to lead to ischemia and the limb damage caused, and is safe and reliable.
Description
[technical field]
The utility model relates to the field of medical instrument technology, more particularly, to a kind of pneumatic bloodletting instrument for blood sampling.
[background technique]
In hospital or clinic, venipuncture or venesecton usually are carried out to limbs of patient to extract blood.In order to
Make venipuncture, it is necessary to first by preventing blood from returning from vein, while artery be allowed to flow into, to make venous congestion.At present
It is carried out usually using the blood drawing bound in limbs venipuncture position upstream, as shown in Figure 1.Band 1 of drawing blood is generally rubber tube
Or flat rubber strip, patient's tension may be made when being bound, leads to discomfort, and blood flow volume can also be obstructed, and
, can be because long-time binding to be on limbs of patient if blood drawing band is retained in patient, the limbs of patient may be due to part
Ischemic and lead to limb injury.
[utility model content]
The purpose of the utility model is to overcome the deficiencies of above-mentioned technology, provide a kind of pneumatic bloodletting instrument.
The first aspect of the utility model provides a kind of pneumatic bloodletting instrument, including cuff, further include main control unit, with
The inflation unit of main control unit connection, lose heart unit and timing unit；The outlet component of the inflation unit passes through a tracheae
It is connect with the cuff；The discouraged unit is connect with the outlet component of the inflation unit；The inflation unit is used for basis
Pressure value in the cuff of default is inflated by the tracheae into the cuff；The timing unit is used for scheduled blood sampling
Time carries out timing, and after scheduled blood sampling time reaches, the main control unit controls that the inflation unit is out of service, institute
Discouraged unit is stated to open to discharge the air in the cuff.
It further, further include the alarm unit being connect with the main control unit, for sending out remaining blood sampling time
It warns out.
Further, alarm unit is buzzer and/or emergency warning lamp, and buzzer is used to issue the sound of different frequency to warn
Show that remaining blood sampling time, emergency warning lamp are used to issue different light and alert to warn remaining blood sampling time.
It further, further include air pressure detecting unit, for detecting the endotracheal pressure value；Air pressure detecting unit point
It is not connect with the outlet component of the main control unit, inflation unit.
Further, air pressure detecting unit is a baroceptor.
It further, further include the display unit being connect with the main control unit, for showing the correlation of blood collection procedure
Information.
Further, the display unit includes display screen and/or pressure indicator light.
It further, further include manual control unit, the manual control unit is connect with main control unit, for manual
Control device.
Further, manual control unit includes pressure selector and switch button；The pressure selector is for selecting
Preset pressure value, the switch button is for unlatching and/or arresting stop.
Further, the cuff is equipped with air inlet, and the tracheae is detachably connected with the air inlet.
The second aspect of the utility model provides a kind of application method of pneumatic bloodletting instrument, comprising the following steps:
Cuff is tied up on limbs；
Inflation unit operation is controlled by main control unit, the inflation unit is indicated according to default pressure value with P, is led to
Tracheae is crossed to the cuff inflation；
The unit that loses heart is controlled by main control unit to close；
After inflation unit operation and discouraged unit are closed, timing unit is controlled by the main control unit and is opened
It is dynamic, timing is carried out to scheduled blood sampling time；
After scheduled blood sampling time reaches, the main control unit controls that the inflation unit is out of service, described lets out
Gas unit is opened to discharge the air in the cuff.
Further, further comprising the steps of: after timing unit starting, to be controlled and reported by the main control unit
Alert unit starting, the alarm unit issue remaining blood sampling time and warn.
Further, the alarm unit is buzzer and/or emergency warning lamp, and the buzzer issues the sound of different frequency
Warn remaining blood sampling time, the emergency warning lamp issues different light and alert to warn remaining blood sampling time.
The pneumatic bloodletting instrument of the utility model is inflated by inflation unit into cuff, makes cuff compressing in the limb of patient
Body, so that blood was collected, it is time saving and energy saving, while by timing unit, discouraged unit, the air in cuff can be discharged automatically,
Thoroughly solution blood drawing band is retained in patient and is led to that blood drawing band long-time compressing wrist or arm lead to ischaemic and cause with it
Limb injury, realize intelligent decompression, securely and reliably.
[Detailed description of the invention]
Fig. 1 is structural schematic diagram of the blood drawing of the prior art with binding in limbs venipuncture position upstream；
Fig. 2 is a kind of structural schematic diagram of pneumatic bloodletting instrument of the utility model；
Fig. 3 is the functional block diagram of pneumatic bloodletting instrument shown in Fig. 2；
Fig. 4 is the relation schematic diagram between diastolic pressure and heartbeat.
[specific embodiment]
The utility model will be further described with reference to the accompanying drawings and examples.
Embodiment one
Referring to figs. 2 and 3, a kind of pneumatic bloodletting instrument provided by the utility model, the auxiliary tool as blood sampling, including
Cuff 10, main control unit 11, the inflation unit 12 being connect with main control unit 11, timing unit 13 and discouraged unit 14.
In the present embodiment, the size of cuff 10 is 8*43cm, is suitable for wrist and arm, for tying up to venipuncture position
Upstream, the specific size of cuff 10 do not constitute the limitation of the utility model.The front and back sides at 10 both ends of cuff pass through velcro fastener
Or velcro connection, facilitate tying.In other embodiments, the connection type of cuff can also be other feasible connection sides
Formula, for example cuff 10 is also possible to a ring set, can directly be set on wrist or arm, therefore the specific connection type of cuff is not
Constitute the limitation of the utility model.
Inflation unit 12 is equipped with outlet component, it is preferable that outlet component is an escape pipe 121.In other embodiments,
Outlet component can also be venthole.In the present embodiment, escape pipe 121 is connect by a tracheae 15 with cuff 10, specifically, sleeve
It is equipped with gas storage space (not shown here) inside band 10, cuff 10 is equipped with the air inlet 101 being connected to gas storage space, tracheae
15 the modes such as are detachably connected with air inlet 101, for example are connected through a screw thread, are socketed, therefore cuff 10 is reusable, can also
For disposable.Inflation unit 12 is used to be filled by tracheae 15 into cuff 10 according to the pressure value in the cuff 10 of default
Gas increases the air pressure of the gas storage space in cuff 10 to which compressing is not required to medical worker couple in wrist or arm to take a blood sample
Wrist or arm are bound, can be time saving and energy saving.In the present embodiment, inflation unit 12 is air pump.The inflation frequency of inflation unit 12
Rate can be constant, or be divided into multisection type according to the instruction of main control unit 11, for example two-part, three-stage etc..
Main control unit 11 is a microprocessor, and microprocessor is mainly to pass through to send different PWM (Pulse Width
Modulation, pulse width modulation) present apparatus other component is controlled, it for example controls the operation of inflation unit 12 and stops dynamic
Make, 14 opening and closing of unit movement of losing heart.
The unit 14 that loses heart is connect with the escape pipe 121 of inflation unit 12, and the unit 14 that loses heart for example can be one or a set of
Solenoid valve, in the present embodiment, the unit that loses heart is a solenoid valve.The concrete model and number of solenoid valve do not constitute the utility model
Limitation.
Timing unit 13 is used to carry out timing to scheduled blood sampling time, and timing unit 13 for example can be a timer
Or one group of timer.Concrete model, brand and the number of timer do not constitute the limitation of the utility model.When scheduled blood sampling
Between reach after, main control unit 11 control inflation unit 12 it is out of service, lose heart unit 14 open to discharge the sky in cuff 10
Gas.Through clinical trial, the venipuncture time can generally complete in 3 minutes, scheduled blood sampling time one in the present embodiment
As be 3 minutes, timing unit 13 to 3 minutes blood sampling time carry out timing.It can also be complete if blood drawing fails completion in 3 minutes
By starting/reseting timing unit 13 before the knot time, other 3 minutes are regained.After 3 minutes reach, main control list
Member 11 controls out of service, the discouraged unit 14 of inflation unit 12 and opens to discharge the air in cuff 10, to make cuff 10 not
Oppress wrist or arm again, can prevent from oppressing wrist for a long time as cuff 10 or arm leads to ischaemic and caused by limb
Bulk damage realizes intelligent decompression.Cuff 10 can be disassembled from wrist or arm after air release in cuff 10.
Specific blood sampling time can be needed according to practical medical and be adjusted, and not constitute the limitation of the utility model.Timing mode also may be used
Changed with being changed according to the atmospheric pressure value in cuff 10.For example, when the atmospheric pressure value in cuff 10 is higher than 5mmHg, timing unit
13 bring into operation, until the predetermined time；Or when the air pressure in cuff 10 is less than 5mmHg, timing unit 13 stops operating.This
It is since when the air pressure in cuff is less than 5mmHg, the pressure of cuff cannot effectively oppress the limbs of patient, to not have
There is necessity of timing.
In order to remind to medical worker or patient remaining blood sampling time, it is preferable that the utility model setting
There is alarm unit 16, connect with main control unit 11, issues warning for the blood sampling time to current residual.When remaining blood sampling
Between, i.e., out of service, the discouraged unit 14 of inflation unit 12 is controlled apart from main control unit 11 open to discharge the sky in cuff 10
The remaining time of gas.Alarm unit 16 can use audible prompts medical worker or patient, and for example alarm unit 16 can be bee
Ring device 161, warns the remaining time for issuing the sound of different frequency.For example, timing unit 13 sets blood sampling in 3 minutes
Time, after timing unit 13 starts, buzzer 161 indicates the length of remaining time with different voice combinations: working as remaining time
When more than 1 minute, buzzer 161 is made a sound with every two seconds primary frequencies；When remaining time is more than 30 seconds but less than 60 seconds
When, buzzer 161 is made a sound with frequency of once per second；When remaining time was less than 30 seconds, buzzer 161 with it is per second twice
Frequency make a sound, to acoustically play reminding effect to medical worker.Specific sound frequency combination does not constitute this
The limitation of utility model, such as can be the combination of two kinds of alternative sounds frequencies.Alarm unit 16 also can use visual alerts
Medical worker or patient, for example alarm unit 16 can be emergency warning lamp 162, warn residue for issuing different light warnings
Time.For example, timing unit 13 sets 3 minutes blood sampling times, after timing unit 13 starts, is more than 1 point when remaining time
Zhong Shi, emergency warning lamp 162 are shone with every two seconds primary frequencies；When remaining time is more than 30 seconds but when less than 60 seconds, emergency warning lamp 162
It is shone with frequency of once per second；When remaining time was less than 30 seconds, emergency warning lamp 162 is shone with frequency twice per second, thus
Reminding effect is visually played to medical worker.Certainly, it in order to preferably show medical matters people police, can take simultaneously a variety of
Alarming method for power for example simultaneously reminds remaining blood sampling time using the sense of hearing and visually, and for example alarm unit 16 can be bee
The combination of ring device 161 and emergency warning lamp 162 further strengthens warning alert effect.
Preferably, the utility model can also include the display unit 19 connecting with main control unit 11.In the present embodiment
Display unit 19 is LCD display, for showing the information in relation to blood collection procedure or device, such as current blood drawing time, is selected
Stress level, the pressure value in current tracheae 15, current diastolic pressure for selecting etc..The content being particularly shown can be according to user's need
The content wanted and adjusted, therefore be particularly shown does not constitute the limitation of the utility model.It is highly preferred that utility model device may be used also
Pressure indicator light 163 is arranged, the pressure value of current cuff 10 is indicated with different pressure indicator lights 163, thus medical staff
It does not need often to check that LCD cell 19 understands the pressure value of current cuff 10 if appropriate for patient.For example preset pressure value is
The corresponding different pressure value of three pressure indicator lights 163 is correspondingly arranged, then different pressures in 70mmHg, 80mmHg and 90mmHg
When power indicator light 163 lights, then represents current cuff 10 and use corresponding preset pressure value.Specific pressure indicator light 163
Number does not constitute the limitation of the utility model, and for example the preset pressure value in cuff 10 is only divided into low pressure, high pressure, then only needs two
A pressure indicator light 163.
Preferably, the utility model can also include manual control unit, be specially in the present embodiment pressure selector 20,
Starting/restarting control button 21 and stop button 22.Pressure selector 20 is used to select default in suitable cuff 10
Pressure value, the preset pressure value in cuff 10 can be multiple.In the present embodiment, cuff 10 in preset pressure value be three
It is a, specially 70mmHg, 80mmHg and 90mmHg.Specific preset pressure value number and numerical value do not constitute the limit of the utility model
System.After selecting a preset pressure value, main control unit 11 can control inflation unit 12 according to default pressure value and pass through gas
Pipe 15 is inflated into cuff 10.Starting/restarting control button 21 for start/restarts, i.e., ought press starting/
When restarting control button 21, the device of the utility model is started to work；When in the blood sampling time that timing unit 13 is set
When not completing blood drawing, starting/restarting control button 21 can be pressed and retimed time of blood sampling.If being set in timing unit 13
It fulfils blood drawing in fixed blood sampling time ahead of schedule, also may be selected to press stop button 22, then main control unit 11 controls inflation unit
12 stop inflation, the unit 14 that loses heart loses heart to discharge the air in cuff 10.
The utility model can also include power supply unit 23.The present embodiment uses standard USB 5V power supply, is chargeable electricity
Source.Specific power supply mode does not constitute the limitation of the utility model.
The utility model is inflated by inflation unit into cuff, makes cuff compressing in the limbs of patient, to be adopted
Blood, it is time saving and energy saving, while by timing unit, discouraged unit, the air in cuff can be discharged automatically, can thoroughly solve blood drawing band
Be retained in patient be led to it blood drawing band for a long time compressing wrist or arm lead to ischaemic and caused by limb injury, realize
Intelligence decompression, securely and reliably.
Embodiment two
The present embodiment is based on embodiment one, is the same as example 1 or similar part repeats no more.The utility model is also
It may include air pressure detecting unit 18, connect with the escape pipe 121 of main control unit 11, inflation unit 12, for detecting tracheae
Pressure value in 15 so that main control unit 11 by tracheae 15 pressure value and preset pressure value be compared and according to comparing
As a result it is run to control inflation unit 12 with corresponding duty ratio (Duty Cycle).Since inflation unit 12 is static or at a slow speed
Gas leak phenomenon is had when rotation, so inflation unit 12 needs that appropriate revolving speed is maintained the pressure value in tracheae 15 can be just fixed on
A certain air pressure.For example, if pressure value in tracheae 15 is higher than preset pressure value 5mmHg, inflation unit 12 is accounted for 5% to 15%
Sky (although for theoretically, inflation unit is not required to inflate, is used than operation, preferably 10% duty ratio operation in order to allow
Person is comfortable on, and does not feel as the air pressure cataclysm on arm for example, and inflation unit 12 can be with 10% duty ratio most at a slow speed
Operation)；If endotracheal pressure value is higher than preset pressure value, and fills simultaneously not higher than 5mmHg since the air pressure being higher by is few
Gas unit is run with 30% to 50% duty ratio, preferably 40% duty ratio operation；If endotracheal pressure value is lower than pre-
If pressure value, and it is not less than 5mmHg simultaneously, since the difference apart from preset pressure value is smaller, inflation unit is with faster 45%
Duty ratio to 65% is run, preferably 55% duty ratio operation；Otherwise, since the difference apart from preset pressure value is larger,
Inflation unit is run with 100% duty ratio of most high speed.It is run with the duty ratio of segmented, user will not feel when in use
Significant discomfort, to be conducive to going on smoothly for blood collection procedure.Preferred embodiment listed above for the utility model, tool
The segmentation number of segment of body and the operation ratio of duty ratio do not constitute the limitation of the utility model.Since one end of tracheae 15 is connected to sleeve
Band 10, and it is almost negligible to the pressure loss of air inlet 101 from escape pipe 121, therefore the pressure value of tracheae 15 can also regard
To be the pressure value in cuff 10.Meanwhile the setting of air pressure detecting unit 18 does not need to change the structure of cuff 10, thus side
Just the replacement of cuff 10.In the present embodiment, air pressure detecting unit 18 is a baroceptor.
The diastolic pressure of normal human is 60-90mmHg.Preferably, preset pressure value is the diastolic pressure of patient, and should
Greater than 50mmHg.Suitable default pressure value can reduce the possible discomfort of user's blood collection procedure.In the present embodiment, diastolic pressure
Detection utilizes air pressure detecting unit 18, i.e. baroceptor, by low pass filter (Low Pass Filter) 24 again with movement
Average line (Moving Average) is by noise filtering in conjunction with oscillography amplitude of vibration method (Oscillometric method) or FFT
(Fast Fourier Transformation, fast Fourier transform) analysis.This is illustrated for sentencing oscillography amplitude of vibration method.
It is inflated, is vented at a slow speed after reaching certain pressure value, pressure sensor will be in cuff in deflation course into cuff from air pump
Pressure signal is converted to electric signal and is sent to main control unit 11 and is filtered and algorithm calculating.In relation to diastolic pressure and heartbeat it
Between relationship can refer to Fig. 4.The when m- tonogram illustrated above Fig. 4, cuff pressure 70-130mmHg are not offered as cuff
Pressure ad infinitum can up or down extend, and be only used for signal cuff 10 and have pressure change in exhaust process.If initial
Preset pressure value be 100mmHg.If air pressure detecting unit 18 detects the oscillation of pulse, then main control unit 11 just adjusts
Default pressure value, for example lowers 5mmHg.The amplitude of default pressure value adjustment does not constitute the limitation of the utility model.It repeats above-mentioned
Detection process, until air pressure detecting unit 18 can't detect pulse oscillation.The pressure in cuff is relaxing for patient at this time
Open pressure.Main control unit 11 can be according to resulting diastolic pressure be detected as preset pressure value, and drawing blood band can be in the diastolic pressure
Entire blood drawing process is completed under pressure value, to preferably complete blood collection procedure.
Embodiment three
The utility model additionally provides a kind of application method of pneumatic bloodletting instrument, comprising the following steps:
S101: cuff 10 is tied up on limbs；
Limbs can be any position that wrist or arm etc. need venipuncture；
S102: inflation unit 12 is controlled by main control unit 11 and is run, inflation unit 12 passes through according to default pressure value
Tracheae 15 is inflated into cuff 10；
After inflation unit 12 is run, the pressure in cuff 10 is gradually increased, so that oppressing limbs facilitates blood sampling；
S103: the unit 14 that loses heart is controlled by main control unit 11 and is closed；
The step of S102 and S103, has no successive point, can also carry out simultaneously.After discouraged unit 14 is closed, then
The basic only import but no export of gas, so as to reach the required pressure of blood sampling within a short period of time；
S104: after the operation of inflation unit 12, the unit 14 that loses heart are closed, timing unit is controlled by main control unit 11
13 startings carry out timing to scheduled blood sampling time；
S105: after scheduled blood sampling time reaches, it is out of service, discouraged single that main control unit 11 controls inflation unit 12
Member 14 is opened to discharge the air in cuff 10.
Using the application method of the utility model, it can effectively mitigate the labor intensity of medical worker, it is time saving and energy saving, it is also thorough
Bottom solve blood drawing band be retained in patient be led to it blood drawing band for a long time compressing wrist or arm lead to ischaemic and caused by
Limb injury realizes intelligent decompression, securely and reliably.
Example IV
The present embodiment is based on embodiment three, repeats no more with the same or similar part of embodiment three.The present embodiment may be used also
The following steps are included: controlling the starting of alarm unit 16, alarm unit by main control unit 11 after the starting of timing unit 13
16 pairs of remaining blood sampling times issue warning.Specifically, alarm unit 16 is buzzer 161, and buzzer 161 issues different frequency
Sound warn remaining blood sampling time, to medical worker acoustically playing the role of warning alert.Alarm unit 16
It can be emergency warning lamp 162, emergency warning lamp 162 issues different light or frequency and alerts to warn remaining blood sampling time, to medical matters
Personnel visually play the role of warning alert.Certainly, alarm unit 16 can also be buzzer 161 and emergency warning lamp simultaneously
162, play the role of warning alert in the sense of hearing and visually to medical worker respectively, reinforces warning function.In the present embodiment, warning
Lamp 162 is one, can issue the light of different frequency respectively to be warned.
Preferably, the present embodiment can be the following steps are included: in the operation of inflation unit 12,14 closing of unit of losing heart
Afterwards, the pressure value in tracheae 15, the pressure in tracheae 15 that main control unit 11 will test are detected by air pressure detecting unit 18
Value and preset pressure value are compared and control inflation unit 12 according to comparison result and run with corresponding duty ratio to keep
Pressure in tracheae 15 is constant.Specifically, if the endotracheal pressure value of detection is higher than preset pressure value 5mmHg, inflation unit
It is run with 5% to 15% duty ratio, preferably 10% duty ratio operation；If the endotracheal pressure value of detection is higher than default
Pressure value, and it is not higher than 5mmHg simultaneously, inflation unit is run with 30% to 50% duty ratio, preferably 40% duty ratio
Operation；If detection endotracheal pressure value be lower than preset pressure value, and simultaneously be not less than 5mmHg, inflation unit with 45% to
65% duty ratio operation, preferably 55% duty ratio operation；Otherwise, inflation unit is run with 100% duty ratio.
Preferably, the utility model can be the following steps are included: in the operation of inflation unit 12,14 closing of unit of losing heart
Afterwards, cuff pressure is detected by air pressure detecting unit 18, and carries out that diastolic pressure is calculated in conjunction with main control unit 11, and easypro
It opens pressure numerical value and replaces original preset pressure value.Specifically, when inflation unit 12 is inflated to certain pressure value into cuff 10
Afterwards, cuff is vented.If air pressure detecting unit 18 detects the oscillation of pulse, then main control unit 11 just adjusts default pressure
Value, for example lowers 5mmHg.Above-mentioned detection process is repeated, until air pressure detecting unit 18 can't detect pulse oscillation.
Preferably, the utility model can press starting with the following steps are included: after tying up to cuff 10 on limbs
Button 21 starts, and the unit 14 that loses heart is closed；If pressing pressure selector 20, preset pressure value can choose；If pressing stopping
Button 22, the then unit that loses heart are opened, and discharge the air in cuff, blood collection procedure terminates.
Above embodiments only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, such as to each implementation
Different characteristic in example is combined, and these are all within the protection scope of the present invention.
Claims (9)
1. a kind of pneumatic bloodletting instrument, including cuff, it is characterised in that: further include main control unit, connect with main control unit
Inflation unit, lose heart unit and timing unit；The outlet component of the inflation unit is connect by a tracheae with the cuff；
The discouraged unit is connect with the outlet component of the inflation unit；The inflation unit is used for according to the pressure in the cuff of default
Force value is inflated by the tracheae into the cuff；The timing unit is used to carry out timing to scheduled blood sampling time, when
After scheduled blood sampling time reaches, the main control unit controls that the inflation unit is out of service, the discouraged unit is opened
To discharge the air in the cuff；It further include the alarm unit being connect with the main control unit, for remaining blood sampling
Time issues warning.
2. pneumatic bloodletting instrument according to claim 1, it is characterised in that: the alarm unit is buzzer and/or police
Lamp is accused, the buzzer is used to issue the sound of different frequency to warn remaining blood sampling time, and the emergency warning lamp is for issuing
Different light warns remaining blood sampling time.
3. pneumatic bloodletting instrument according to claim 1, it is characterised in that: further include air pressure detecting unit, for detecting
The endotracheal pressure value；The air pressure detecting unit outlet portion with the main control unit, the inflation unit respectively
Part connection.
4. pneumatic bloodletting instrument according to claim 3, it is characterised in that: the air pressure detecting unit includes air pressure sensing
Device.
5. pneumatic bloodletting instrument according to claim 3, it is characterised in that: further include display unit, for showing blood sampling
The relevant information of process；The display unit is connect with the main control unit.
6. pneumatic bloodletting instrument according to claim 5, it is characterised in that: the display unit include display screen and/or
Pressure indicator light.
7. pneumatic bloodletting instrument according to claim 5, it is characterised in that: it further include manual control unit, it is described manual
Control unit is connect with main control unit, is used for manual overvide.
8. pneumatic bloodletting instrument according to claim 7, it is characterised in that: the manual control unit includes pressure selection
Device and switch button；The pressure selector is for selecting preset pressure value, and the switch button is for opening and/or stopping filling
It sets.
9. pneumatic bloodletting instrument according to claim 8, it is characterised in that: the cuff is equipped with air inlet, the tracheae
It is detachably connected with the air inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HK17106776.8 | 2017-07-06 | ||
| HK17106776 | 2017-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209332172U true CN209332172U (en) | 2019-09-03 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810212958.5A Expired - Fee Related CN108451579B (en) | 2017-07-06 | 2018-03-15 | Pneumatic blood drawing device and using method thereof |
| CN201820357756.5U Expired - Fee Related CN209332172U (en) | 2017-07-06 | 2018-03-15 | Pneumatic blood drawing device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810212958.5A Expired - Fee Related CN108451579B (en) | 2017-07-06 | 2018-03-15 | Pneumatic blood drawing device and using method thereof |
Country Status (4)
| Country | Link |
|---|---|
| CN (2) | CN108451579B (en) |
| AU (1) | AU2018295510A1 (en) |
| TW (1) | TWM572235U (en) |
| WO (1) | WO2019008447A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451579A (en) * | 2017-07-06 | 2018-08-28 | 刘俊彦 | Pneumatic blood drawing device and using method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110934727A (en) * | 2018-09-21 | 2020-03-31 | 深圳市华盈泰智能技术有限公司 | Novel quick binding buckle structure of medical inflatable binding band |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8048105B2 (en) * | 2007-04-19 | 2011-11-01 | Western Clinical Engineering Ltd. | Adaptive surgical tourniquet apparatus and method |
| CN101884536B (en) * | 2009-05-14 | 2013-11-13 | 深圳迈瑞生物医疗电子股份有限公司 | Respiration gate-controlled inflation system, inflation method and medical imaging equipment |
| WO2011005538A2 (en) * | 2009-06-23 | 2011-01-13 | Boris Leschinsky | Methods and devices for remote ischemic preconditioning and near-continuous blood pressure monitoring |
| US8795323B2 (en) * | 2012-01-17 | 2014-08-05 | Infarct Reduction Technologies Inc. | Dual mode remote ischemic preconditioning devices and methods |
| CN102160779A (en) * | 2010-02-22 | 2011-08-24 | 深圳市金科威实业有限公司 | Method and device for inflating cuff of non-invasive blood pressure measurement equipment |
| CN201968754U (en) * | 2011-02-28 | 2011-09-14 | 王红丽 | Adjustable compression appliance being convenient for blood drawing |
| CN203169547U (en) * | 2012-12-20 | 2013-09-04 | 深圳市华盈泰智能技术有限公司 | Intelligent double-arm remote ischemia pre-adaptation training instrument |
| CN203677169U (en) * | 2014-01-02 | 2014-07-02 | 岳丽霞 | Quick blood vessel appearing device |
| CN203861207U (en) * | 2014-01-06 | 2014-10-08 | 山东共达电声股份有限公司 | Sphygmomanometer |
| CN105796151B (en) * | 2015-11-20 | 2019-04-12 | 顾万清 | A kind of limbs superficial vein angioplerosis expansion instrument |
| CN106890018A (en) * | 2017-02-17 | 2017-06-27 | 上海蕴邦生物科技有限公司 | Hemostatic sleeve belt |
| WO2019008447A1 (en) * | 2017-07-06 | 2019-01-10 | 刘俊彦 | Pneumatic blood drawing apparatus and use method therefor |
-
2018
- 2018-03-05 WO PCT/IB2018/051379 patent/WO2019008447A1/en active Application Filing
- 2018-03-05 AU AU2018295510A patent/AU2018295510A1/en active Pending
- 2018-03-15 CN CN201810212958.5A patent/CN108451579B/en not_active Expired - Fee Related
- 2018-03-15 CN CN201820357756.5U patent/CN209332172U/en not_active Expired - Fee Related
- 2018-06-26 TW TW107208581U patent/TWM572235U/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108451579A (en) * | 2017-07-06 | 2018-08-28 | 刘俊彦 | Pneumatic blood drawing device and using method thereof |
| CN108451579B (en) * | 2017-07-06 | 2021-03-12 | 刘俊彦 | Pneumatic blood drawing device and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2018295510A1 (en) | 2019-02-28 |
| CN108451579A (en) | 2018-08-28 |
| CN108451579B (en) | 2021-03-12 |
| AU2018295510A2 (en) | 2019-07-11 |
| WO2019008447A1 (en) | 2019-01-10 |
| TWM572235U (en) | 2019-01-01 |
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